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/* dyn-rec.h -- Recompiler specific definitions
   Copyright (C) 2005 György `nog' Jeney, nog@sdf.lonestar.org
 
This file is part of OpenRISC 1000 Architectural Simulator.
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
 
 
#ifndef DYN_REC_H
#define DYN_REC_H
 
typedef void (*gen_code_ent)(void);
 
/* Each dynamically recompiled page has one of these */
struct dyn_page {
  oraddr_t or_page;
  void *host_page;
  unsigned int host_len;
  int dirty; /* Is recompiled page invalid? */
  int delayr; /* delayr of memory backing this page */
  uint16_t ts_bound[2049]; /* What registers the temporaries back (on the
                            * begining boundry of the instruction) */
  void **locs; /* Openrisc locations in the recompiled code */
  uint32_t *insns; /* Copy of instructions on this page */
  unsigned int *insn_indexs; /* Decoded instructions on this page */
};
 
void recompile_page(struct dyn_page *dyn);
struct dyn_page *new_dp(oraddr_t page);
void add_to_opq(struct op_queue *opq, int end, int op);
void add_to_op_params(struct op_queue *opq, int end, unsigned long param);
void *enough_host_page(struct dyn_page *dp, void *cur, unsigned int *len,
                       unsigned int amount);
void init_dyn_recomp(void);
void run_sched_out_of_line(void);
void recheck_immu(int got_en_dis);
void enter_dyn_code(oraddr_t addr, struct dyn_page *dp);
void dyn_checkwrite(oraddr_t addr);
void dyn_main(void);
 
extern void *rec_stack_base;
 
#define IMMU_GOT_ENABLED 1
#define IMMU_GOT_DISABLED 2
 
#define xglue(x, y) x ## y
#define glue(x, y) xglue(x, y)
 
#endif